/*
 * Copyright (c) 2011 LinkedIn, Inc
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.flaptor.indextank.suggest;

import java.util.Collections;
import java.util.List;
import java.util.Map;

import com.flaptor.indextank.index.Document;
import com.flaptor.indextank.query.Query;
import com.google.common.collect.Lists;

/**
 * A dummy suggestor implementation that does not suggest anything.
 */
public class NoSuggestor implements Suggestor {

    @Override
    public void noteQuery(Query query, int matches) {
    }

    @Override
    public void noteAdd(String documentId, Document doc) {
    }

    @Override
    public List<String> complete(String partialQuery, String field) {
        List<String> retVal = Lists.newArrayList();
        retVal.add(partialQuery);
        return retVal;
    }

    @Override
    public void dump() {
    }
    
    @Override
    public Map<String, String> getStats() {
        return Collections.emptyMap();
    }
}
